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Waterproof stone sink

Posted: Wed Apr 06, 2011 8:36 pm
by Philipc
I have an antique stone sink which I use as a bird bath in the garden. Any suggestions how I can waterproof its inner surface without spoiling its apperarnce

Posted: Fri Apr 08, 2011 8:54 pm
by Perry525
Being a stone sink, it should be waterproof.
Thompson's make a waterproofing liquid, that causes rain to run off cement and bricks, it may help.